How your blood formed? Scientists say ancient 700-million-year-old single-celled ancestors may still live inside human blood

Scientists discover ancient single-celled ancestors still live on in human blood, revealing a 700-million-year evolutionary link hidden inside the immune system. Researchers at Kyoto University traced ...

Blood cells originated from single-celled ancestors 700 million years ago

Blood cells carry a deep evolutionary history. A new analysis suggests their earliest ancestors were macrophage-like cells inherited from single-celled life.
Forbes

Why Do We Have Blood Types? Hint: Scientists Are Still Debating The Answer

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. This voice experience is generated by AI. Learn more. This ...
Case Western Reserve University

Pathology's Brian Cobb discusses diversity of blood types in evolution

Human blood types have deep evolutionary roots ScienceNews: A new analysis suggests that the A, B and O blood types in people evolved at least 20 million years ago in a common ancestor of humans and ...